$\Delta \mathit S$ = $\Delta \mathit Q$ RULE
Violations allowed in second-order weak interactions.
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$\Gamma\mathrm {( {{\mathit K}^{+}} \rightarrow {{\mathit \pi}^{+}} {{\mathit \pi}^{+}} {{\mathit \mu}^{-}} {{\overline{\mathit \nu}}_{{{\mu}}}})}$ $/$ $\Gamma\mathrm {(total)}$
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$<3.0\times 10^{-6}$
CL=95.0%
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$\Gamma\mathrm {( {{\mathit K}^{+}} \rightarrow {{\mathit \pi}^{+}} {{\mathit \pi}^{+}} {{\mathit e}^{-}} {{\overline{\mathit \nu}}_{{{e}}}})}$ $/$ $\Gamma\mathrm {(total)}$
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$<1.3\times 10^{-8}$
CL=90.0%
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Re(x$_{+}$), ${{\mathit K}_{{{e3}}}}$ parameter
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$-0.0009$ $\pm0.0030$
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$\mathit x$ = A( ${{\overline{\mathit K}}^{0}}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit \ell}^{+}}{{\mathit \nu}}$)/A( ${{\mathit K}^{0}}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit \ell}^{+}}{{\mathit \nu}}$) = A($\Delta \mathit S=−\Delta \mathit Q)/A(\Delta \mathit S=\Delta \mathit Q$)
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real part of $\mathit x$
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$-0.002$ $\pm0.006$
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imaginary part of $\mathit x$
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$0.0012$ $\pm0.0021$
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$\Gamma\mathrm {( {{\mathit \Sigma}^{+}} \rightarrow {{\mathit n}} {{\mathit e}^{+}} {{\mathit \nu}_{{{e}}}})}$ $/$ $\Gamma\mathrm {(total)}$
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$<5\times 10^{-6}$
CL=90.0%
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$\Gamma\mathrm {( {{\mathit \Sigma}^{+}} \rightarrow {{\mathit n}} {{\mathit \mu}^{+}} {{\mathit \nu}_{{{\mu}}}})}$ $/$ $\Gamma\mathrm {(total)}$
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$<3.0\times 10^{-5}$
CL=90.0%
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$\Gamma\mathrm {( {{\mathit \Xi}^{0}} \rightarrow {{\mathit \Sigma}^{-}} {{\mathit \mu}^{+}} {{\mathit \nu}_{{{\mu}}}})}$ $/$ $\Gamma\mathrm {(total)}$
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$<9\times 10^{-4}$
CL=90.0%
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$\Gamma\mathrm {( {{\mathit \Xi}^{0}} \rightarrow {{\mathit \Sigma}^{-}} {{\mathit e}^{+}} {{\mathit \nu}_{{{e}}}})}$ $/$ $\Gamma\mathrm {(total)}$
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$<1.6\times 10^{-4}$
CL=90.0%
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